I've heard all this fuss over how Rayon is chemically processed, and how Silica might cause cancer. I want to know what you guys think about the safety of various materials used for wicks. I'm not trying to scare anyone, I'm just curious, and want to hear the concerns of others. If you are new to vaping, you should know as far as I can tell, there is no evidence to support any wick material is dangerous, as far as normal wicks go, as in cotton, rayon, silica, etc. I wouldn't try asbestos.
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